[gtk/function-annotations: 16/16] Annotate gtk_get_default_language as const

[Matthias Clasen <matthiasc src gnome org>]

commit 49330c78c20a40f3de614847a365fbacefa78f4d
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Sep 14 13:14:44 2021 -0400

    Annotate gtk_get_default_language as const

 gtk/gtkmain.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkmain.h b/gtk/gtkmain.h
index ba8c42db71..876422fc48 100644
--- a/gtk/gtkmain.h
+++ b/gtk/gtkmain.h
@@ -84,7 +84,7 @@ gboolean gtk_init_check_abi_check (int     num_checks,
 GDK_AVAILABLE_IN_ALL
 void              gtk_disable_setlocale    (void);
 GDK_AVAILABLE_IN_ALL
-PangoLanguage *   gtk_get_default_language (void);
+PangoLanguage *   gtk_get_default_language (void) G_GNUC_CONST;
 GDK_AVAILABLE_IN_ALL
 GtkTextDirection  gtk_get_locale_direction (void);